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Fortifying Brow Gel T51: Now with only 20 ingredients including 1% pea peptides for fuller, natural brows.
Fortifying Brow Gel T51: 3 neutral shades for flexible, clump-free volume.

Fortifying Brow Gel T51: 3 neutral shades for flexible, clump-free volume.

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Lactic Acid

Lactic acid is an alpha-hydroxy acid (AHA) known for its gentle exfoliating and moisturizing properties. Here is more information about its action, its contraindications, and its mode of use.
Bienfaits acide lactique peau.
Active ingredients
13 min of reading
What are the benefits of lactic acid for the skin?

Lactic acid is a molecule naturally present in the skin and is one of the natural moisturizing factors. In addition to its role in skin hydration, this AHA is known for its exfoliating action. However, these are not the only benefits that lactic acid brings to the skin. Discover below all of lactic acid’s cutaneous virtues.

Dangers de l'utilisation de l'acide lactique en cosmétique.
Active ingredients
5 min of reading
The dangers of lactic acid.

Lactic acid is a compound valued for its keratolytic properties. Moreover, it has the distinction of being particularly gentle on the skin. However, there are some precautions to take when using a lactic acid skincare product. Discover the side effects associated with lactic acid.

Quand utiliser l'acide lactique ?
Exfoliating active ingredients
6 min of reading
When and how often should lactic acid be used?

For gentle skin exfoliation, lactic acid is a preferred ingredient. It is an organic acid naturally present in certain fruits and vegetables. It can be found in various types of products such as serums, lotions, or creams. When should a lactic acid-based product be used during the day? How often?

L'acide lactique pour les peaux sèches.
Exfoliating active ingredients
4 min of reading
Lactic acid, an acid suitable for dry skin (-).

Lactic acid is a post-biotic from the alpha-hydroxy acid family that is naturally present in the human body and in certain fruits. Unlike other acids from the same family, lactic acid is well tolerated by all skin types, including dry skin (-).

Les avis sur l'acide lactique.
Exfoliating active ingredients
4 min of reading
Some opinions on lactic acid.

Lactic acid belongs to the category of alpha-hydroxy acids (AHA). It is used for its gentle exfoliating and moisturizing properties. Discover some opinions about this keratolytic agent.

FAQ about lactic acid

Is lactic acid gentler than glycolic acid?

Lactic acid is generally better tolerated than glycolic acid because its molecular size is larger (90.08 g/mol for lactic acid versus 76.05 g/mol for glycolic acid).

Is lactic acid hydrating?

In addition to its exfoliating effects, lactic acid helps maintain skin hydration by attracting and retaining water on the surface of the epidermis.

Can lactic acid cause irritations?

Even though it is generally mild, the lactic acid can cause irritations when used excessively or at too high a concentration.

Can sensitive skin types use lactic acid?

The lactic acid is generally suitable for sensitive skin. However, it is recommended to start with a low concentration and monitor the skin's reaction to avoid any irritation.

Is lactic acid photosensitizing?

Lactic acid can indeed make the skin more sensitive to the sun. Therefore, it is recommended to use it in the evening and apply sun protection the following morning.

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